File indexing completed on 2024-05-12 04:51:15

 /*
     SPDX-License-Identifier: GPL-2.0-or-later
     SPDX-FileCopyrightText: 2002 Szombathelyi Gy �rgy <gyurco@users.sourceforge.net>
 */
 
 #ifndef ISOFS_H
 #define ISOFS_H
 
 #include <sys/time.h>
 
 #include "iso_fs.h"
 #include "el_torito.h"
 
 typedef long sector_t;
 
 typedef struct _rr_entry {
     int     len;    /* length of structure */
     char    *name; /* Name from 'NM' */
     char    *sl;   /* symbolic link data */
     time_t  t_creat;
     time_t  rr_st_mtime;
     time_t  rr_st_atime;
     time_t  rr_st_ctime;
     time_t  t_backup;
     time_t  t_expire;
     time_t  t_effect;
     int     mode;  /* POSIX file modes */
     int     nlink;
     int     uid;
     int     gid;
     int     serno;
     int     dev_major;
     int     dev_minor;
     int     pl; /* parent location */
     int     cl; /* child location */
     int     re; /* relocated */
     char    z_algo[2]; /* zizofs algorithm */
     char    z_params[2]; /* zizofs parameters */
     int     z_size; /* zizofs real_size */
 } rr_entry;
 
 typedef struct _iso_vol_desc {
     struct _iso_vol_desc    *next;
     struct _iso_vol_desc    *prev;
     struct iso_volume_descriptor    data;   
 } iso_vol_desc;
 
 typedef struct _boot_entry {
     struct _boot_entry  *next;
     struct _boot_entry  *prev;
     struct _boot_entry  *parent;
     struct _boot_entry  *child;
     char    data[32];
 } boot_entry;
 
 typedef struct _boot_head {
     struct validation_entry ventry;
     struct _boot_entry  *defentry;
     struct _boot_entry  *sections;
 } boot_head;
 
 /**
  * this callback function needs to read 'len' sectors from 'start' into 'buf' 
  */
 typedef int readfunc(char *buf,sector_t start, int len,void *);
 
 /**
  * ProcessDir uses this callback
  */
 typedef int dircallback(struct iso_directory_record *,void *);
 
 /**
  * Returns the Unix from the ISO9660 9.1.5 (7 bytes) time format
  * This function is from the linux kernel.
  * Set 'hs' to non-zero if it's a HighSierra volume
  */
 time_t isodate_915(char * p, int hs);
 
 /**
  * Returns the Unix time from the ISO9660 8.4.26.1 (17 bytes) time format
  * BUG: hundredth of seconds are ignored, because time_t has one second
  * resolution (I think it's no problem at all)
  * Set 'hs' to non-zero if it's a HighSierra volume
  */
 time_t isodate_84261(char * p, int hs);
 
 /**
  * Creates the linked list of the volume descriptors
  * 'sector' is the starting sector number of where the filesystem start
  * (starting sector of a session on a CD-ROM)
  * If the function fails, returns NULL
  * Don't forget to call FreeISO9660 after using the volume descriptor list!
  */
 iso_vol_desc *ReadISO9660(readfunc *read,sector_t sector,void *udata);
 
 /**
  * Frees the linked list of volume descriptors.
  */
 void FreeISO9660(iso_vol_desc *data);
 
 /**
  * Iterates over the directory entries. The directory is in 'buf',
  * the size of the directory is 'size'. 'callback' is called for each
  * directory entry with the parameter 'udata'.
  */
 int ProcessDir(readfunc *read,int extent,int size,dircallback *callback,void *udata);
 
 /**
  * Parses the System Use area and fills rr_entry with values
  */
 int ParseRR(struct iso_directory_record *idr, rr_entry *rrentry);
 
 /**
  * Frees the strings in 'rrentry'
  */
 void FreeRR(rr_entry *rrentry);
 
 /**
  * returns the joliet level from the volume descriptor
  */
 int JolietLevel(struct iso_volume_descriptor *ivd);
 
 /**
  * Returns the size of the boot image (in 512 byte sectors)
  */
 int BootImageSize(readfunc *read,int media,sector_t start,int len,void *udata);
 
 /**
  * Frees the boot catalog entries in 'boot'. If you ever called ReadBootTable,
  * then don't forget to call FreeBootTable!
  */
 void FreeBootTable(boot_head *boot);
 
 /**
  * Reads the boot catalog into 'head'. Don't forget to call FreeBootTable!
  */
 int ReadBootTable(readfunc *read,sector_t sector, boot_head *head, void *udata);
 
 int str_nappend(char **d, char *s, int n);
 
 #endif